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Oncological outcome of videoscopic groin dissection for lymph node metastasis from melanoma
Antonio Sommariva1,2, Camilla Cona3, Marco Tonello4
1Unit of Surgical Oncology of the Esophagus and Digestive Tract, Veneto Institute of Oncology IOV-IRCCS, Padua, Italy. antonio.sommariva@iov.veneto.it.
Background:
Videoscopic inguinal lymphadenectomy (VIL) represents an innovative approach for patients with melanoma lymph node (LN) metastases, mainly aimed at lowering wound-related morbidity. However, long-term data on oncologic safety are still lacking. The aim of this study is to review the oncologic outcome of videoscopic groin dissection in a single institution caseload.
Methods:
Data were prospectively gathered on patients with inguinal melanoma metastasis who underwent VIL. Clinical data included age, race, sex, tumor histology, node counts and number of metastatic nodes. Disease-free survival and overall survival were monitored based on an institutional follow-up schedule. The study was approved by the local ethics committee (Video-SIIO II study).
Results:
We analyzed 48 videoscopic groin dissections performed in 50 patients (2 patients underwent bilateral VIL). Median age was 54.5 years. Female/male ratio was 15/33. Indication for surgery was positive inguinal sentinel biopsy and cytological confirmed clinical disease in 40 and 10 cases, respectively. Median LN retrieval count was 19. After a median follow-up of 28 months, groin recurrence (lymphatic basin) was observed in one single case.
Conclusions:
VIL for melanoma LN metastases is associated with a favorable oncologic outcome. In particular, LN yield and locoregional recurrence rate obtained with videoscopic dissection are comparable to those reported with the open technique. Prospective studies are needed to confirm these results in a larger cohort of patients.
Insights
Videoscopic inguinal lymphadenectomy (VIL) offers a safe oncologic outcome for melanoma patients with lymph node metastases. This minimally invasive technique shows comparable lymph node yield and recurrence rates to open dissection.
Area of Science:
- Oncology
- Surgical Innovation
- Melanoma Treatment
Background:
- Videoscopic inguinal lymphadenectomy (VIL) is an innovative approach for melanoma lymph node (LN) metastases.
- It aims to reduce wound-related morbidity.
- Long-term oncologic safety data for VIL are limited.
Purpose of the Study:
- To review the oncologic outcomes of videoscopic groin dissection.
- To assess the safety and efficacy of VIL in a single institution.
Main Methods:
- Prospective data collection from patients undergoing VIL for inguinal melanoma metastasis.
- Monitoring of clinical data including demographics, tumor histology, and nodal status.
- Assessment of disease-free and overall survival based on institutional follow-up.
Main Results:
- Analysis of 48 VIL procedures in 50 patients.
- Median lymph node retrieval of 19.
- A low groin recurrence rate of one case after a median follow-up of 28 months.
Conclusions:
- VIL demonstrates favorable oncologic outcomes for melanoma LN metastases.
- Lymph node yield and recurrence rates are comparable to open techniques.
- Further prospective studies are recommended for larger patient cohorts.
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